🚨4P Extreme Race Chain Guides 🚨 The Achilles’ heel of the K-Series has been solved, and racers all over the world are reaping the benefits. Honda’s OEM timing system works fine at stock RPM with pump gas and factory cams—but the racing world is a whole different game. In competition, we push the K to its limits: higher RPM, huge cam lift, elevated spring pressures, and exotic fuels. Under these conditions, the stock chain guide doesn’t stand a chance. The OEM plastic guide can’t keep up. At hi

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